:root {
  --ink: #1c2a36;
  --ink-soft: #4a5d6c;
  --line: rgba(42, 95, 134, 0.14);
  --paper: #fbf9f5;
  --white: #fff;
  --sky-100: #e7f1f9;
  --sky-700: #2a5f86;
  --ok: #2f6b4f;
  --danger: #9b3b3b;
  --radius: 14px;
  --font-ui: "Outfit", system-ui, sans-serif;
  --font-display: "Fraunces", Georgia, serif;
}

*, *::before, *::after { box-sizing: border-box; }
body.admin-body {
  margin: 0;
  font-family: var(--font-ui);
  color: var(--ink);
  background: linear-gradient(180deg, #f3f8fc, var(--paper) 40%);
  min-height: 100vh;
}
a { color: var(--sky-700); }
.admin-shell { display: grid; min-height: 100vh; grid-template-columns: 1fr; }
.admin-nav {
  background: rgba(255,255,255,0.92); border-bottom: 1px solid var(--line);
  padding: 1rem; display: none; flex-direction: column; gap: 1rem;
}
.admin-nav.is-open { display: flex; }
.admin-brand { font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; text-decoration: none; color: var(--ink); }
.admin-nav nav { display: flex; flex-direction: column; gap: 0.25rem; }
.admin-nav nav a {
  text-decoration: none; color: var(--ink-soft); padding: 0.65rem 0.8rem;
  border-radius: 10px; display: flex; justify-content: space-between;
}
.admin-nav nav a:hover, .admin-nav nav a.is-active { background: var(--sky-100); color: var(--sky-700); }
.admin-main { padding: 0 0 3rem; }
.admin-top {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 1rem 1.25rem; border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,0.55);
}
.admin-page-title { font-family: var(--font-display); font-size: 1.45rem; margin: 0; }
.admin-menu-btn {
  border: 1px solid var(--line); background: var(--white); border-radius: 999px;
  padding: 0.4rem 0.85rem; cursor: pointer;
}
.admin-content { width: min(100% - 2rem, 920px); margin: 1.25rem auto 0; }
.admin-logout { margin-top: auto; }
@media (min-width: 900px) {
  .admin-shell { grid-template-columns: 240px 1fr; }
  .admin-nav {
    display: flex; position: sticky; top: 0; height: 100vh;
    border-bottom: none; border-right: 1px solid var(--line); padding: 1.25rem;
  }
  .admin-menu-btn { display: none; }
}

.stat-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.75rem; margin-bottom: 1.25rem; }
@media (min-width: 700px) { .stat-row { grid-template-columns: repeat(4, 1fr); } }
.stat {
  background: rgba(255,255,255,0.8); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1rem; text-align: center;
}
.stat__n { display: block; font-family: var(--font-display); font-size: 1.7rem; font-weight: 700; }
.stat__l { color: var(--ink-soft); font-size: 0.82rem; }

.admin-grid { display: grid; gap: 1rem; }
@media (min-width: 800px) { .admin-grid { grid-template-columns: 1fr 1fr; } }
.panel {
  background: rgba(255,255,255,0.85); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1rem 1.1rem;
}
.panel__head { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; margin-bottom: 0.75rem; }
.panel__head h2 { font-family: var(--font-display); font-size: 1.2rem; margin: 0; }
.muted { color: var(--ink-soft); }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 999px; padding: 0.55rem 1rem; border: 1px solid var(--line);
  background: var(--sky-700); color: #fff; font-weight: 650; cursor: pointer; text-decoration: none;
}
.btn--ghost { background: var(--white); color: var(--ink); }
.btn--wide { width: 100%; }
.btn--small { padding: 0.35rem 0.75rem; font-size: 0.85rem; }
.btn--danger { background: var(--danger); border-color: var(--danger); }
.flash-wrap { margin-bottom: 1rem; }
.flash { padding: 0.65rem 0.85rem; border-radius: 10px; margin: 0 0 0.5rem; }
.flash--ok { background: #e7f6ee; color: var(--ok); }
.flash--danger { background: #fdecec; color: var(--danger); }

.form label { display: block; font-weight: 650; margin: 0.85rem 0 0.35rem; }
.form input[type="text"], .form input[type="password"] {
  width: 100%; padding: 0.7rem 0.85rem; border-radius: 10px;
  border: 1px solid var(--line); background: #fff;
}
.form .row-check { display: flex; align-items: center; gap: 0.5rem; margin: 1rem 0; }
.simple-list { list-style: none; margin: 0; padding: 0; }
.simple-list li {
  display: flex; justify-content: space-between; gap: 0.75rem;
  padding: 0.65rem 0; border-bottom: 1px solid var(--line); font-size: 0.92rem;
}
.badge {
  display: inline-block; padding: 0.15rem 0.5rem; border-radius: 999px;
  background: var(--sky-100); color: var(--sky-700); font-size: 0.75rem; font-weight: 700;
}
.badge--live { background: #e7f6ee; color: var(--ok); }
.badge--sample { background: #fff4e5; color: #9a5b00; }
.collect-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.25rem; margin-bottom: 1rem;
}
.collect-actions { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1rem; }
.login-box {
  width: min(100% - 2rem, 400px); margin: 4rem auto; background: #fff;
  border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem;
}
.login-box h1 { font-family: var(--font-display); margin-top: 0; }